Explore the Family Name Koopman

The meaning of Koopman

1. Dutch: occupational name for a buyer or merchant, Middle Dutch coepman. Compare Coopman and Copeman. 2. Americanized form of North German Koopmann, cognate with 1 above.

Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.

How common is the last name Koopman in the United States?

Based on the Decennial U.S. Census, the surname Koopman has seen a slight decrease in popularity between 2000 and 2010. In 2000, it ranked 11,660th, and by 2010, it had dropped to the 12,766th position, showing a 9.49% decline. During this same period, the count of individuals carrying this surname also marginally decreased from 2,465 to 2,417, representing a 1.95% drop. Consequently, the proportion of individuals with the surname Koopman per 100,000 also fell by 9.89% over the decade.

	2000	2010	Change
Rank	#11,660	#12,766	-9.49%
Count	2,465	2,417	-1.95%
Proportion per 100k	0.91	0.82	-9.89%

Race and Ethnicity of people with the last name Koopman

The ethnic identity associated with the surname Koopman demonstrates some changes between 2000 and 2010 according to data from the Decennial U.S. Census. The largest group identifying as White saw a minor decline from 96.47% to 95.41%. Meanwhile, representation among those identifying as Asian/Pacific Islander saw a considerable increase, rising from 0.28% to 0.62%. Similarly, those identifying as Hispanic rose from 1.42% to 2.03%. The group identifying with two or more races also observed an increase from 1.26% to 1.41%. However, the percentage of Black and American Indian and Alaskan Native identities was suppressed for privacy reasons in the 2010 data.

	2000	2010	Change
White	96.47%	95.41%	-1.1%
Hispanic	1.42%	2.03%	42.96%
Two or More Races	1.26%	1.41%	11.9%
Asian/Pacific Islander	0.28%	0.62%	121.43%
Black	0.24%	0%	0%
American Indian and Alaskan Native	0.32%	0%	0%